She didn't remember her appointment with the doctor until she had arrived home.
had可否去掉?为什么要用过去完成时?直接用过去时不可以吗?
人气：126 ℃ 时间：2019-10-11 13:52:18
解答
不能,因为arrived home这一动作发生在didn't remember之前,是过去的过去,所以要用过去完成时.
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